Drilldown: Patents
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Patents > Applicant type:
None
& Filing date:
1880 - 1889
& Application number :
344263D or
DED330779D or
None
& National tech categories :
DE 77h.5 or
None
& First filing:
No
& Number of figures:
3-4
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.